Questione giuridica chiave
Whether the federal appeal had to be entertained despite non-payment of the cost advance within the extended deadline.
Decisione estratta
No. Because the appellant failed to pay the cost advance even during the grace period, the appeal was not admitted.
Motivazione estratta
Under Art. 62(3) BGG, failure to pay the ordered advance within the extended period permits non-entry; the case was decided in simplified procedure under Art. 108(1)(a) BGG.